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// Copyright 2015 syzkaller project authors. All rights reserved.
// Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.
//go:generate go install github.com/google/syzkaller/sysgen
//go:generate sysgen sys.txt
package sys
type Call struct {
ID int
CallID int
Name string
CallName string
Args []Type
Ret Type
}
type Type interface {
Name() string
Optional() bool
Default() uintptr
}
type TypeCommon struct {
TypeName string
IsOptional bool
}
func (t TypeCommon) Name() string {
return t.TypeName
}
func (t TypeCommon) Optional() bool {
return t.IsOptional
}
func (t TypeCommon) Default() uintptr {
return 0
}
type (
ResourceKind int
ResourceSubkind int
)
const (
ResFD ResourceKind = iota
ResIOCtx
ResIPC
ResKey
ResInotifyDesc
ResPid
ResUid
ResGid
ResTimerid
ResIocbPtr
)
const (
ResAny ResourceSubkind = iota
FdFile
FdSock
FdPipe
FdSignal
FdEvent
FdTimer
FdEpoll
FdDir
FdMq
FdInotify
FdFanotify
IPCMsq
IPCSem
IPCShm
)
const (
InvalidFD = ^uintptr(0)
BogusFD = uintptr(100000 - 1)
)
type ResourceType struct {
TypeCommon
Kind ResourceKind
Subkind ResourceSubkind
}
func (t ResourceType) Default() uintptr {
switch t.Kind {
case ResFD:
return InvalidFD
case ResIOCtx:
return 0
case ResIPC:
return 0
case ResKey:
return 0
case ResInotifyDesc:
return 0
case ResPid:
return 0
case ResUid:
return 0
case ResGid:
return 0
case ResTimerid:
return 0
default:
panic("unknown resource type")
}
}
func (t ResourceType) SpecialValues() []uintptr {
switch t.Kind {
case ResFD:
return []uintptr{InvalidFD, BogusFD}
case ResIOCtx:
return []uintptr{0}
case ResIPC:
return []uintptr{0, ^uintptr(0)}
case ResKey:
return []uintptr{0}
case ResInotifyDesc:
return []uintptr{0}
case ResPid:
return []uintptr{0, ^uintptr(0)}
case ResUid:
return []uintptr{0, ^uintptr(0)}
case ResGid:
return []uintptr{0, ^uintptr(0)}
case ResTimerid:
return []uintptr{0}
default:
panic("unknown resource kind")
}
}
func (t ResourceType) Size() uintptr {
switch t.Kind {
case ResFD:
return 4
case ResIOCtx:
return 8
case ResIPC:
return 4
case ResKey:
return 4
case ResInotifyDesc:
return 4
case ResPid:
return 4
case ResUid:
return 4
case ResGid:
return 4
case ResTimerid:
return 4
default:
panic("unknown resource kind")
}
}
func (t ResourceType) SubKinds() []ResourceSubkind {
switch t.Kind {
case ResFD:
return []ResourceSubkind{FdFile, FdSock, FdPipe, FdSignal, FdEvent, FdTimer, FdEpoll, FdDir, FdMq, FdInotify, FdFanotify}
case ResIPC:
return []ResourceSubkind{IPCMsq, IPCSem, IPCShm}
case ResIOCtx, ResKey, ResInotifyDesc, ResPid, ResUid, ResGid, ResTimerid:
return []ResourceSubkind{ResAny}
default:
panic("unknown resource kind")
}
}
type FileoffType struct {
TypeCommon
TypeSize uintptr
File string
}
type BufferKind int
const (
BufferBlob BufferKind = iota
BufferString
BufferSockaddr
)
type BufferType struct {
TypeCommon
Kind BufferKind
}
type VmaType struct {
TypeCommon
}
type LenType struct {
TypeCommon
TypeSize uintptr
Buf string
}
type FlagsType struct {
TypeCommon
TypeSize uintptr
Vals []uintptr
}
type IntKind int
const (
IntPlain IntKind = iota
IntSignalno
IntInaddr
)
type IntType struct {
TypeCommon
TypeSize uintptr
Kind IntKind
}
type FilenameType struct {
TypeCommon
}
type ArrayType struct {
TypeCommon
Type Type
}
type PtrType struct {
TypeCommon
Type Type
Dir Dir
}
type StructType struct {
TypeCommon
Fields []Type
}
type Dir int
const (
DirIn Dir = iota
DirOut
DirInOut
)
var (
CallCount int
CallMap = make(map[string]*Call)
CallID = make(map[string]int)
)
func init() {
for _, c := range Calls {
if CallMap[c.Name] != nil {
println(c.Name)
panic("duplicate syscall")
}
id, ok := CallID[c.CallName]
if !ok {
id = len(CallID)
CallID[c.CallName] = id
}
c.CallID = id
CallMap[c.Name] = c
}
CallCount = len(CallID)
}
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